<template>
  <!--banner轮播-->
  <div class="swiper-container" :ref="bannerSwiper">
    <div class="swiper-wrapper">
      <div class="swiper-slide" v-for="(banner,index) in bannerList" :key="banner.id">
        <img :src="banner.imgUrl"/>
      </div>
    </div>
    <!-- 如果需要分页器 -->
    <div class="swiper-pagination"></div>

    <!-- 如果需要导航按钮 -->
    <div class="swiper-button-prev"></div>
    <div class="swiper-button-next"></div>
  </div>
</template>

<script>
import Swiper from "swiper";

export default {
  name: "SwiperLoop",
  props: ['bannerList', 'bannerSwiper'],

  watch: {
    bannerList: {
      immediate: true,
      handler(newVal, oldVal) {
        this.$nextTick(() => {
          // console.log(this.bannerSwiper)
          new Swiper(this.$refs[this.bannerSwiper], {
            loop: true, // 循环模式选项
            autoplay: {
              delay: 2000,
              // stopOnLastSlide: false,
              // disableOnInteraction: true,
            },

            // 如果需要分页器
            pagination: {
              el: '.swiper-pagination',
            },

            // 如果需要前进后退按钮
            navigation: {
              nextEl: '.swiper-button-next',
              prevEl: '.swiper-button-prev',
            },

            // 如果需要滚动条
            scrollbar: {
              el: '.swiper-scrollbar',
            },
          })
        })
      }
    }

  }
}
</script>

<!--
css已经在main.js引入轮播图的css
-->
